1) WHAT IS BIT? a) Bits grouped together b) Smallest unit of data computer c) Single character d) Use to measure speed of data transfer e) Used to measure storage capacity f) Bits 1 represent 1 2) Human process_______data a) Digital b) Analogue 3) Definition Number System a) Decimal number system used is called decimal numbering system. b) The numbering system that represents all numbers using just two symbols c) A numbering system is a way of representing numbers. 4) Which is the common numbering system? a) Decimal numbering system b) Binary numbering system c) Hexadecimal numbering system 5) Size ( the amount of information stored) of byte a) A smallest unit of data a computer b) Larger unit of 8 bits (1byte) 6) Convert 170 to hexadecimal number and binary number a) AB,010101010 b) AA, 010111010 c) AA, 101010101 d) AA, 010101010 7) Convert 1A3F to decimal numbers a) 6791 b) 6719 c) 6179 d) 1697 8) Convert 1979 to binary numbers a) 011110111011 b) 011110111010 c) 011110110101 d) 011110010101 9) Convert AF1 to decimal number a) 2800 b) 2801 c) 2810 d) 2180 10) Comvert 100010010001 to hexadecimal number a) AA85 b) 891 c) AB89 d) AC891 11) Convert 10011101 to decimal number a) 147 b) 137 c) 157 d) 175 12) Convert 4F6A to decimal number a) 20330 b) 23030 c) 23303 d) 20303 13) Convert F3A2 to binary a) 01111010101010101 b) 01111001110111110 c) 01110011010011010 d) 01111001110100010 14) How computer represent data? a) Convert between and decimal whole numbers b) The smallest unit of data a computer process/recognize c) Computers can understand only numbers d) Each place value in binary number is a power of 2 e) Data and instructions can be represented electronically by using two binary digits 1 and 0 15) WHAT IS BYTE ? a) 1 and 0 is natural language b) Eight bits grouped together as a unit c) Computer recognize only two discrete electrical states d) Represent a single character in a computer e) Use to measure speed of data transfer f) Use to measure storage capacity 16) Convert 11000111 to decimal number a) 191 b) 199 c) 991 d) 919 17) Convert FDE1 to binary numbers a) 1111111111110001 b) 1111110111110001 c) 1111110111100001 d) 1111110111100010 18) Convert 1979 to binary numbers a) 011110111011 b) 011111011011 c) 011110111001 d) 011111000100 19) Convert 11011010 to decimal numbers a) 128 b) 218 c) 281 d) 282 20) Convert 1010110110101011 to hexadecimal numbers a) ABAD b) BADA c) ADAB d) DABA

NUMBER SYSTEM & REPRESENTATION

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